seaside

From Middle English see-syde, sey-syde, see syde, se side, equivalent to sea +‎ side.

seaside (plural seasides)

1. (chiefly UK) The area by and around the sea; including the beach, promenade or cliffs

   This summer, I'm going to the seaside at Weymouth - I'm very excited about it!

   • 1907, John A. Glover-Kind (lyrics and music), “I Do Like To be Beside the Seaside”:

     I do like to be beside the seaside!
     Oh, I do like to be beside the sea!
     I do like to stroll along the prom, prom, prom,
     While the brass bands play Tiddely-om-pom-pom!

   • 1977, K.M. Elizabeth Murray, Caught in the Web of Words, Oxford: Oxford University Press, page 128:

     James never cared much for the sea-side, but developed a passionate love for the Westmoreland mountains, getting to know most of them as an energetic fell walker, preferring this to rock climbing.

   • 2022 January 12, Paul Bigland, “Fab Four: the nation's finest stations: Grange-over-Sands”, in RAIL, number 948, page 27:

     The arrival of the railway turned this isolated fishing village into a popular seaside destination for Victorians who came to breathe fresh sea air, clear their lungs or take the waters.

seaside (not comparable)

1. Related to a seaside.

• This adjective is only used attributively.

•   seaside on Wikipedia.Wikipedia

• QCA curriculum
• “seaside”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

• dis-ease, disease